[9.2] Bump @langchain/core@0.3.80 (#247521)

package.json

@@ -78,7 +78,7 @@
   "resolutions": {
     "**/@babel/parser": "7.24.7",
     "**/@hello-pangea/dnd": "18.0.1",
-    "**/@langchain/core": "^0.3.57",
+    "**/@langchain/core": "^0.3.80",
     "**/@langchain/google-common": "^0.1.8",
     "**/@types/node": "22.19.1",
     "**/@types/prop-types": "15.7.5",
@@ -1146,7 +1146,7 @@
     "@kbn/zod-helpers": "link:src/platform/packages/shared/kbn-zod-helpers",
     "@langchain/aws": "^0.1.3",
     "@langchain/community": "^0.3.29",
-    "@langchain/core": "^0.3.57",
+    "@langchain/core": "^0.3.80",
     "@langchain/google-common": "^0.1.8",
     "@langchain/google-genai": "^0.1.8",
     "@langchain/google-vertexai": "^0.1.8",
@@ -1301,7 +1301,7 @@
     "jsonwebtoken": "^9.0.2",
     "jsts": "^1.6.2",
     "kea": "^2.6.0",
-    "langchain": "^0.3.15",
+    "langchain": "^0.3.37",
     "langsmith": "^0.3.7",
     "launchdarkly-js-client-sdk": "^3.8.1",
     "load-json-file": "^6.2.0",

x-pack/platform/packages/shared/ai-infra/inference-langchain/src/chat_model/from_inference/chunks.ts

@@ -19,9 +19,9 @@ export const completionChunkToLangchain = (chunk: ChatCompletionChunkEvent): AIM
   const toolCallChunks = chunk.tool_calls.map<ToolCallChunk>((toolCall) => {
     return {
       index: toolCall.index,
-      id: toolCall.toolCallId,
-      name: toolCall.function.name,
-      args: toolCall.function.arguments,
+      id: toolCall.toolCallId || undefined,
+      name: toolCall.function.name || undefined,
+      args: toolCall.function.arguments || undefined,
       type: 'tool_call_chunk',
     };
   });

x-pack/platform/packages/shared/ai-infra/inference-langchain/src/chat_model/inference_chat_model.test.ts

@@ -584,12 +584,9 @@ describe('InferenceChatModel', () => {
             { toolCallId: 'my-tool-call-id', index: 0, function: { name: '', arguments: '' } },
           ],
         },
-        {
-          tool_calls: [{ toolCallId: '', index: 0, function: { name: 'myfun', arguments: '' } }],
-        },
         {
           tool_calls: [
-            { toolCallId: '', index: 0, function: { name: 'ction', arguments: ' { "' } },
+            { toolCallId: '', index: 0, function: { name: 'myfunction', arguments: ' { "' } },
           ],
         },
         {
@@ -610,7 +607,8 @@ describe('InferenceChatModel', () => {
         concatChunk = concatChunk ? concatChunk.concat(chunk) : chunk;
       }
 
-      expect(allChunks.length).toBe(5);
+      expect(allChunks.length).toBe(4);
+
       expect(concatChunk!.tool_calls).toEqual([
         {
           id: 'my-tool-call-id',

x-pack/platform/packages/shared/ai-infra/inference-langchain/src/chat_model/inference_chat_model.ts

@@ -319,7 +319,10 @@ export class InferenceChatModel extends BaseChatModel<InferenceChatModelCallOpti
     | Runnable<BaseLanguageModelInput, { raw: BaseMessage; parsed: RunOutput }> {
     const schema: z.ZodType<RunOutput> | Record<string, any> = outputSchema;
     const name = config?.name;
-    const description = schema.description ?? 'A function available to call.';
+    const description =
+      'description' in schema && typeof schema.description === 'string'
+        ? schema.description
+        : 'A function available to call.';
     const includeRaw = config?.includeRaw;
 
     let functionName = name ?? 'extract';

x-pack/platform/packages/shared/kbn-langchain/server/index.ts

@@ -5,11 +5,8 @@
  * 2.0.
  */
 
-import { ActionsClientBedrockChatModel } from './language_models/bedrock_chat';
 import { ActionsClientChatOpenAI } from './language_models/chat_openai';
 import { ActionsClientLlm } from './language_models/llm';
-import { ActionsClientSimpleChatModel } from './language_models/simple_chat_model';
-import { ActionsClientGeminiChatModel } from './language_models/gemini_chat';
 import { ActionsClientChatVertexAI } from './language_models/chat_vertex';
 import { ActionsClientChatBedrockConverse } from './language_models/chat_bedrock_converse';
 import { parseBedrockStream } from './utils/bedrock';
@@ -20,11 +17,8 @@ export {
   parseBedrockStream,
   parseGeminiResponse,
   getDefaultArguments,
-  ActionsClientBedrockChatModel,
   ActionsClientChatOpenAI,
   ActionsClientChatVertexAI,
-  ActionsClientGeminiChatModel,
   ActionsClientLlm,
-  ActionsClientSimpleChatModel,
   ActionsClientChatBedrockConverse,
 };